WM8986_07 WOLFSON [Wolfson Microelectronics plc], WM8986_07 Datasheet - Page 8

• Manufacturer Part Number: WM8986_07
• Description: Multimedia DAC With Class D Headphone and Line Out
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

WM8986
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Test Conditions
DCVDD=1.8V, AVDD1=AVDD2=DBVDD=3.3V, T
PARAMETER
DAC to left and right mixers into 10kΩ / 50pF load on LOUT1 and ROUT1
LOUT1VOL, ROUT1VOL, DACLVOL and DACRVOL = 0dB
Full-scale output
Signal to Noise Ratio
Total Harmonic Distortion
Total Harmonic Distortion + Noise
Channel Separation
DAC to L/R mixer into 10kΩ / 50pF load on L/ROUT2, class AB mode
LOUT2VOL, ROUT2VOL, DACLVOL and DACRVOL = 0dB
Full-scale output
Signal to Noise Ratio
Total Harmonic Distortion
Total Harmonic Distortion + Noise
Channel Separation
Full-scale output voltage
Signal to Noise Ratio
Total Harmonic Distortion
Total Harmonic Distortion + Noise
DAC to OUT3 and OUT4 mixers to OUT3/OUT4 outputs into 10kΩ / 50pF load. DACVOLL and DACVOLR = 0dB
1
1
6
6
3
3
3
4
4
4
5
5
5
SYMBOL
THD+N
THD+N
THD+N
SNR
THD
SNR
THD
SNR
THD
A
= +25
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=3.3V
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TEST CONDITIONS
ROUT2VOL = 0dB
C, 1kHz signal, fs = 48kHz, 24-bit audio data unless otherwise stated.
ROUTVOL = 0dB
1kHz input signal
LOUT1VOL and
LOUT2VOL and
full-scale signal
full-scale signal
full-scale signal
22Hz to 20kHz
22Hz to 20kHz
22Hz to 20kHz
22Hz to 20kHz
22Hz to 22kHz
0dBFS input
0dBFS input
0dBFS input
0dBFS input
0dBFS input
0dBFS input
0dBFS input
0dBFS input
1kHz signal
A-weighted
A-weighted
A-weighted
A-weighted
A-weighted
MIN
AVDD1/3.3
AVDD1/3.3
AVDD2/3.3
95.5
93.5
95.5
93.5
TYP
100
100
100
100
100
-86
-86
-84
-84
-84
-82
-82
-80
-84
-82
-80
96
96
96
PP, Rev 3.1, February 2007
MAX
-90
-80
-78
-90
-80
-78
-90
-80
-78
Pre-Production
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
UNIT
V
V
V
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
rms
rms
rms
8